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© Copyright 2017-2022 LBC Bakery Equipment, Inc. 37 Rev 6/2022

ELECTRICAL SCHEMATICS (Part 2 of 4)

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Summary of Contents for LBC LMO Max-E

Page 1: ...POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED THIS INFORMATION SHALL BE OBTAINED FROM THE LOCAL GAS SUPPLIER RETAIN THIS MANUAL FOR FUTURE REFERENCE LBC BAKERY EQUIPMENT INC 6026 31st Ave NE Tulalip WA 98271 USA Toll Free 888 722 5686 888 RACKOVN E mail sales lbcbakery com www lbcbakery com ...

Page 2: ... SHUTOFF VALVE AND CONTACT YOUR LOCAL GAS COMPANY OR GAS SUPPLIER FOR SERVICE FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE IN THE EVENT OF A POWER FAILURE DO NOT ATTEMPT TO OPERATE THIS DEVICE KEEP AREA AROUND THE OVEN CLEAR OF COMBUSTIBLES GAS OVENS DO NOT OBSTRUCT COMBUSTION AND VENTILATION OPENINGS ON THE OVEN W...

Page 3: ...ECTLY INTO A THREE PRONG RECEPTACLE DO NOT CUT OR REMOVE THE GROUNDING PRONG FROM THIS PLUG WARNING DISCONNECT FROM POWER SOURCE WHEN CLEANING AND OR SERVICING THIS MACHINE WARNING NEVER ATTEMPT TO CLEAN THIS MACHINE WHILE IT IS HOT OR HEATING AS RISK OF SERIOUS INJURY COULD RESULT WARNING NEVER OPERATE THIS MACHINE WITH SAFETY COVERS OR INSPECTION PLATES REMOVED OR WITH SAFETY SWITCHES INOPERATIV...

Page 4: ...RIC OVENS SPECIFICATIONS 6 GAS OVENS SPECIFICATIONS 8 SAFETY CONSIDERATIONS 9 RECEIVING 10 INSTALLATION 11 GAS OVENS NATURAL PROPANE GAS CONVERSION 15 STARTUP INSPECTION 17 PRESSURE PANEL SETTINGS 20 CONTROL OPERATION SETUP 21 DEFAULT PARAMETER SETTINGS 24 ILLUSTRATED PARTS BREAKDOWN 28 ELECTRICAL SCHEMATICS 36 LBC LIMITED WARRANTY 41 ...

Page 5: ...G IF THE BURNER DOES NOT LIGHT TURN OFF ALL GAS TO THE OVEN FOR 5 MINUTES AND THEN BEGIN AT STEP 1 Daily Use 1 Press the Power button to turn the oven on Close the oven door 2 Set the oven temperature to the desired operating temperature by pressing the up or down arrow buttons next to the Set Temperature display Shutdown Instructions Daily Use Press the Power button to turn the oven off Long Term...

Page 6: ...talled under a hood Clearance to Combustibles 1 from back and sides 18 from top Flooring Appliance must be installed on a floor of noncombustible construction with noncombustible flooring and surface finish and with no combustible material against the underside thereof or on noncombustible slabs or arches having no combustible material against the underside Such construction shall in all cases ext...

Page 7: ...pment Inc 7 Rev 6 2022 100 85 55 0 7 Control 15 120V 1ph 60Hz 1 2 NPT cold water 3 gpm 45 psi min 3 4 NPT route to air gap drain Drain Total kW 24 0 Heaters 208V 3ph 60Hz 240V 3ph 60Hz 480V 3ph 60Hz Voltage ph Hz 85 75 35 15 MCA MOP Water ...

Page 8: ...onstruction with noncombustible flooring and surface finish and with no combustible material against the underside thereof or on noncombustible slabs or arches having no combustible material against the underside Such construction shall in all cases extend not less than 12 beyond the equipment on all sides Water Quality Requirements Utility Requirements Electric 120V 15A 60Hz dedicated circuit NEM...

Page 9: ...manner It is the responsibility of owner operator to ensure proper training and diligence of any person coming into contact with either oven or output product exhaust or otherwise of oven It is the responsibility of owner operator to ensure oven is installed and operated in accordance with OSHA Standard 1910 263 C A regular periodic program of cleaning inspection and maintenance must be establishe...

Page 10: ...S IN FOUR SECTIONS Upon receiving the appliance immediately check for damage both visible and concealed and loss Visible damage must be noted on the freight bill at the time of delivery and signed by the carrier s agent Concealed damage or loss means damage or loss which does not become apparent until the merchandise has been uncrated If concealed damage or loss is discovered upon unpacking make a...

Page 11: ...BUSTIBLE CONSTRUCTION UNDER THE FLOOR General Information Gas Ovens This appliance must be installed under a ventilation hood This appliance must be connected to a gas shutoff valve in accordance with CSA 9 1 M97 ANSI Z21 15 1997 and Addenda CGA 9 1 a 2001 Z21 15a 2001 Manually Operated Gas Valves for Appliance Appliance Connector Valves and End Valves The installation of this appliance must confo...

Page 12: ...ve door latch cam follower 4 Remove valance assembly by removing the four screws attaching it to side trim Slide the valance forward 5 Remove top trim 6 Remove screw attaching magnetic reed door switch to front of oven above control Allow switch to hang in position 7 Remove door assembly WARNING DOOR ASSEMBLY IS HEAVY USE EVERY PRECAUTION TO AVOID PINCHING FINGERS USE ASSISTANCE TO MOVE DOOR ASSEM...

Page 13: ...to 120 VAC 15 amp dedicated service Gas ovens are shipped with cord and plug Do not tamper with or modify plug or ground connection on cord Electrical Connections Electric Ovens Oven electrical connection for heat circuit is located in electrical box in control compartment A 1 conduit raceway is provided to a junction box in lower right rear of oven Gas Supply Specifications Gas Ovens 1 Confirm av...

Page 14: ...of the oven 2 Confirm that an air gap drain is available within 10 feet of the drain connection point 3 Connect the drain line to the drain fitting using a hose or pipe suitable for connection to a drain and capable of handling 210oF water The drain line should be 3 4 or larger and must slope 1 4 inch per foot to the drain Hood Interface NOTE 1 Some locations require that the heat output of the ov...

Page 15: ...Read manifold pressure with burner on Tighten set screw when manometer hose is removed Burner Orifices and Exhaust Restrictor Plate The orifices for each burner are different for natural gas and propane gas The firing rate is 125 000 BTU hr Natural Gas orifice is drilled and marked 49 and the restrictor plate is marked NG Propane Gas orifice is drilled and marked 53 and the restrictor plate is mar...

Page 16: ...sembly in oven Reconnect gas line hot surface igniter wires and flame sensor wire 11 Loosen the screws mounting the draft inducer to the exhaust collector box Remove the top screw Remove and replace the restrictor plate Re install the top screw and tighten all mounting screws Note The hole in the restrictor plate must align with the center of the draft inducer inlet 12 Replace burner cover on top ...

Page 17: ..._ Gas Supply Pipe _____________ Location Details AS FOUND If No CORRECTED Oven on Non combustible floor Y_____ N_____ _____ Is the oven Level Y_____ N_____ _____ Oven Type Gas Nat____ Prop ____ Electric Voltage 208 Volts _______ 240 Volts ________ 480 Volts ________ Install Quality Supply voltages Dedicated 120 VAC 15Amp Max Rating Y_____ N_____ _____ Water Connection No leaks Fig 1 Y_____ N_____ ...

Page 18: ...___ Mins Combustion Test Set to 350 F Wait one minute Check Carbon Monoxide for 1 minute CO__________PPM If greater than 75 Call LBC Take Photo of CO Measurement Check sensor VOLTAGE at test point ____________VAC If Voltage is not between 3 6 VDC call LBC Steam Test Can you hear hear the solenoid open and water spraying Audible Y_____ N_____ _____ Rack Stopping Position Hot Oven Carrier Stops at t...

Page 19: ...skets Installed and seated correctly Y_____ N_____ _____ No cracks or missing pieces Y_____ N_____ _____ All screws and electrical are tight If not tighten down firmY_____ N_____ _____ All plumbing connections are tight and do not leak Y_____ N_____ _____ Fig 1 Fig 2 Fig 3 FOR TECHNICAL SUPPORT CALL LBC 888 722 5686 x1 Name __________________________________________ Company _______________________...

Page 20: ...acent to adjusting screw Left Side Right Side 11 32 9mm 0 35 0 35 9mm 11 32 13 32 10mm 0 41 0 44 11mm 7 16 13 32 10mm 0 41 0 44 11mm 7 16 11 32 9mm 0 35 0 35 9mm 11 32 5 16 8mm 0 32 0 32 8mm 5 16 5 16 8mm 0 32 0 29 7mm 9 32 5 16 8mm 0 32 0 29 7mm 9 32 5 16 8mm 0 32 0 32 8mm 5 16 11 32 9mm 0 35 0 32 8mm 5 16 9 32 7mm 0 29 0 32 8mm 5 16 ...

Page 21: ... Copyright 2017 2022 LBC Bakery Equipment Inc 21 Rev 6 2022 CONTROL OPERATION SETUP Part 1 of 3 ...

Page 22: ...perate when the door is closed and the oven is on or to OF where the interior light and the rack rotator will be off if the oven door is closed and the timer is not running for more than 45 seconds PL Programming Limitation limits the user from accessing certain function and changing pre set recipes PL can be set to On to turn on the limits or OF to allow user access and recipe changes FC F or C t...

Page 23: ...ven when it is displayed limited to 36 degrees F or 20 degrees C Increasing the value of this number will lower the temperature in the oven Decreasing the value of this number will raise the temperature in the oven To access and adjust these parameters 1 Press the power button to turn the oven off 2 Press and hold the F C button until the digital display shows Sb in the TIME display 3 Continue hol...

Page 24: ...are the displayed temperature to the temperature on the electronic thermometer 5 Continue to hold the F C button and press the temperature up or down buttons to adjust the offset value The actual temperature display will adjust to show the recalibrated value Match the temperature on the display with the temperature on the electronic thermostat 6 Release the F C button Press the power button to tur...

Page 25: ... Copyright 2017 2022 LBC Bakery Equipment Inc 25 Rev 6 2022 NOTES ...

Page 26: ... Copyright 2017 2022 LBC Bakery Equipment Inc 26 Rev 6 2022 ILLUSTRATED PARTS BREAKDOWN Oven Front View 1 3 2 6 4 5 ...

Page 27: ... Copyright 2017 2022 LBC Bakery Equipment Inc 27 Rev 6 2022 ILLUSTRATED PARTS BREAKDOWN Part 2 of 10 Top Trim Control Box Upper Front of Oven 20 23 22 24 25 21 23 26 26 21 41 43 42 40 42 ...

Page 28: ...Copyright 2017 2022 LBC Bakery Equipment Inc 28 Rev 6 2022 ILLUSTRATED PARTS BREAKDOWN Part 3 of 10 Water Supply Line Door Closure Parts 53 52 66 66A 66B 68 70 68 54 69 65 55 67 68 70 68 69 50 66 66A 66B ...

Page 29: ... Copyright 2017 2022 LBC Bakery Equipment Inc 29 Rev 6 2022 ILLUSTRATED PARTS BREAKDOWN Part 4 of 10 Loading Doors Light Assembly Parts 86 86 87 85 87 92 88 89 85 88 92 68 89 90 68 101 100 102 103 104 ...

Page 30: ...ght 2017 2022 LBC Bakery Equipment Inc 30 Rev 6 2022 ILLUSTRATED PARTS BREAKDOWN Part 5 of 10 Blower Motor Fan Rotation Assembly 110 122 121 111 120 113 135 116 119 118 115 112 117 114 138 100 137 136 123 124 ...

Page 31: ... Copyright 2017 2022 LBC Bakery Equipment Inc 31 Rev 6 2022 ELECTRIC OVENS ILLUSTRATED PARTS BREAKDOWN Part 6 of 10 Control Box 155 150 153 154 152 151 170 Control Box Behind Control Door Heater Element ...

Page 32: ... Copyright 2017 2022 LBC Bakery Equipment Inc 32 Rev 6 2022 GAS OVENS ILLUSTRATED PARTS BREAKDOWN Part 7 of 10 195 154 153 180 151 Control Box Behind Control Door Heat Exchanger ...

Page 33: ...2 LBC Bakery Equipment Inc 33 Rev 6 2022 GAS OVENS ILLUSTRATED PARTS BREAKDOWN Part 8 of 10 Heat Exchanger Control Box Behind Control Door 153 180 151 154 195 Burner Gas Supply Exhaust 205 208 207 200 202 201 206 203 204 ...

Page 34: ...Relay 5 30701 05 42 Thermostat 2 30401 28 43 Pressure Switch 1 30308 07 50 Clamp Water Supply 1 151 541 1 51 Check Valve 1 70404 08 52 Strainer 1 73701 04 53 Solenoid Valve 1 70403 03 54 Spray Nozzle Steamer 1 70101 77 55 Support Water Supply 1 151 541 65 Set Collar 1 70203 02 66 Linkage Rod 2 151 504 66A M8 Turnbuckle 2 66B Chain 2 67 Switch Magnet Assembly Door 1 151 798 68 Flange Bearing Bronze...

Page 35: ... 70200 12 124 Rotation Capacitor 1 40704 12 135 Motor Blower 1 30200 66 136 Clamp Blower Seal 1 151 271 137 Seal Blower 1 151 270 138 Blower Wheel 1 151 801 150 Contactor 1 or 2 30700 17 151 Transformer 2 31400 32 152 Terminal Block 1 30500 07 153 Ground Lug 1 31200 08 154 Terminal Block 1 30500 01 155 Breaker 50A 2 31800 12 Max E only 170 Element 208V 3 151 802 208 208V Max E only Element 240V 3 ...

Page 36: ... Copyright 2017 2022 LBC Bakery Equipment Inc 36 Rev 6 2022 ELECTRICAL SCHEMATICS 208 Exhaust Restrictor Plate 1 151 808 Natural Gas ...

Page 37: ... Copyright 2017 2022 LBC Bakery Equipment Inc 37 Rev 6 2022 ELECTRICAL SCHEMATICS Part 2 of 4 ...

Page 38: ... Copyright 2017 2022 LBC Bakery Equipment Inc 38 Rev 6 2022 ...

Page 39: ... Copyright 2017 2022 LBC Bakery Equipment Inc 39 Rev 6 2022 ELECTRICAL SCHEMATICS Part 3 of 4 ...

Page 40: ... Copyright 2017 2022 LBC Bakery Equipment Inc 40 Rev 6 2022 ELECTRICAL SCHEMATICS Part 4 of 4 ...

Page 41: ...rovide satisfactory water quality of the appliance in accordance with the operating manual requirements can cause damage to internal components and will VOID the warranty All repair work is to be performed by an LBC authorized service agent Equipment must be at the installation location of the original purchaser user and shall not have been resold or reclaimed by another party LBC equipment is for...

Page 42: ...yright 2017 2022 LBC Bakery Equipment Inc 42 Rev 6 2022 LBC Bakery Equipment Inc 6026 31st Ave NE Tulalip WA 98271 Toll Free 888 722 5686 Fax 425 642 8310 E mail service lbcbakery com Web www lbcbakery com ...

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